Product Description: Specification No. Diammeter of The First Section Sections Key Pressure Type Length of per section(m) Drill depth Torque(KN.M) 1 ¢299 3 Interlocking 9-12 24-45 100 -120 2 ¢342 3 4 Interlocking 9 - 12 ...learn more
120m Stable Mechanical Drilling Kelly Bar Interlocking

120m Stable Mechanical Drilling Kelly Bar Interlocking
100set /month
17000$~40000$
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Beijing Jietaihongli Technology Co., Ltd.

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4 Years
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